CVE-2026-19121

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19121", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-06T15:41:31.318Z", "datePublished": "2026-11-07T04:34:41.297Z", "dateUpdated": "2026-11-07T04:34:41.297Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-07T04:34:41.297Z"}, "descriptions": [{"lang": "en", "value": "IBM API Connect 12.1.0.0 through 12.1.1.2 could allow an authenticated attacker to gain unauthorized access due to improper authorization. Tenant context is not sufficiently verified against the authenticated user, which could allow access to another tenant's resources."}], "affected": [{"vendor": "IBM", "product": "API Connect", "versions": [{"status": "affected", "version": "12.1.0.0", "lessThanOrEqual": "12.1.1.2", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*"]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7295635", "tags": ["vendor-advisory", "patch"]}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3\nFix Central Link: https://www.ibm.com/support/pages/node/7290205", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3<br/>Fix Central Link: <a href=\"https://www.ibm.com/support/pages/node/7290205\" rel=\"nofollow\">https://www.ibm.com/support/pages/node/7290205</a></p>"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-290 Authentication Bypass by Spoofing", "cweId": "CWE-290", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"baseScore": 8.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "title": "Multiple Vulnerabilities in IBM API Connect"}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*"], "product": "API Connect", "vendor": "IBM", "versions": [{"lessThanOrEqual": "12.1.1.2", "status": "affected", "version": "12.1.0.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM API Connect 12.1.0.0 through 12.1.1.2 could allow an authenticated attacker to gain unauthorized access due to improper authorization. Tenant context is not sufficiently verified against the authenticated user, which could allow access to another tenant's resources."}], "id": "CVE-2026-19121", "lastModified": "2026-11-07T05:19:00.093", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-11-07T05:18:59.963", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7295635"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[12.1.0.0,12.1.1.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "API Connect", "source": "cna", "vendor": "IBM"}, "product": "api_connect", "vendor": "ibm"}], "created": "2026-11-07T06:30:14.435187+00:00", "updated": "2026-11-07T09:15:14.139199+00:00", "vendors": ["ibm", "ibm$PRODUCT$api_connect"]}